David Stephen Koz (born March 27, 1963) is an American smooth jazz saxophonist. Dave Koz was born in Encino, California to Jewish parents: Norman, a dermatologist and, Audrey Koz, a pharmacist. Dave has a brother, Jeff, who is also a musician, and a sister, Roberta. Although he is Jewish, Koz plays both Christmas and occasional Hanukkah songs at his concerts. He attended William Howard Taft High School in Woodland Hills, Los Angeles, California, performing on saxophone as a member of the school jazz band.